120602-28-0 N-(2,3,5,6,7,8-Hexahydro-3-oxo-1,2,4-triazolo(4,3-a)pyrimidin-2-yl)thiourea Thiourea, (1,5,6,7-tetrahydro-3-oxo-1,2,4-triazolo(4,3-a)pyrimidin-2(3H)-yl)- Thiourea, N-(2,3,5,6,7,8-hexahydro-3-oxo-1,2,4-triazolo(4,3-a)pyrimidin-2-yl)-